Electric grinder



FIG. 1 is a perspective view of an electric grinder showing the top front and one side of our new design;

FIG. 2 is a side elevational view thereof;

FIG. 3 is an opposite side elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a front elevational view thereof;

FIG. 7 is a rear elevational view thereof. 

The ornamental design for an electric grinder, as shown and described. 